Is obeying in sin for someone sho makes istihlal kufr akbar as al Fawzan says in this video: https://youtu.be/tXDqkvxM7uU?si=oO03pdECmKcizUD3. So if someone was pressured by his family to freemix while his parents see free mixing to be halal, is he comitting kufr akbar by obeying them?

Ustadh AbdulAziz al-Haqqan

This is waswas